@article{1103036483, author = {Chase, Stephen U.}, title = {Torsion-free modules over $K[x,\,y]$.}, journal = {Pacific J. Math.}, volume = {12}, number = {4}, year = {1962}, pages = { 437-447}, language = {en}, url = {http://dml.mathdoc.fr/item/1103036483} }
Chase, Stephen U. Torsion-free modules over $K[x,\,y]$.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 437-447. http://gdmltest.u-ga.fr/item/1103036483/